Halo Wars 2 Wiki Guide

Siphon Field

The Siphon Field is a healing power that can be used by the Banished leader Decimus in Halo Wars 2.

The Siphon Field is an uncommon card that costs 120 energy to use.

The Siphon Field is a healing power that deals damage to any enemies in it and heals any allies with said damage. It's great to use in a heavily clustered battle as often seen when teams are trying to take over a hold point.